Experiments show that wavelet filtering can enhance the small fault detection capacity and detect more timely compared with exponentially weighted moving average (EWMA) filter.
实验表明,小波滤波法能提高小故障的检测能力,而且与指数权重滑动平均滤波法相比更具有故障检测的及时性。
The small target detection method of infrared imagery in complex background of sea and sky in studied, and an algorithm based on wavelet analysis and mutual energy combination is presented.
研究复杂背景下红外图像小目标检测问题,提出一种基于小波分析互能量交叉处理的目标检测方法。
According to their different characteristics of the targets, noises and background edges in wavelet domain, a small target detection algorithm based on wavelet analysis is proposed.
根据目标、噪声和背景边缘在小波域的不同特点,提出一种基于小波分析的红外小目标检测算法。
The results indicated that the small scales were the guarantee of the accuracy of corresponding position between maximum module of wavelet transform coefficients and break points of peaks.
结果发现,尺度越小,小波系数模的极大值点与突变点位置的对应就越准确。
The discrete wavelet transform (DWT) is used to analyse the spectra of pollution clouds in complicated environment and extract the small features.
应用离散子波变换进行污染云团红外光谱信号分析及特征提取。
Secondly, a new method of infrared weak and small targets detection based on wavelet and adaptive threshold is proposed with an effective improvement detection of performance.
其次,利用小波多分辨分析特性,提出了基于小波分析的自适应门限检测方法,有效地提高了红外弱小目标检测性能。
To solve the difficulties in dim target detection, such as low SNR and small-scale displacement, a new automatic target detection algorithm based on lifting scheme and wavelet energy is proposed.
针对图像序列中红外弱小目标的检测与跟踪中遇到的难点,即信噪比低、帧间相对位移小等问题,提出一种基于小波提升框架及小波能量的目标检测算法。
In order to solve the problem of relay protection failure for induction motor, we put forward the method of stator winding small fault detecting based on wavelet transform.
对电动机的继电保护中存在电动机微变故障保护失效的问题,提出了基于小波分析的定子绕组微变故障检测方法。
In order to solve the problem of relay protection failure for induction motor, we put forward the method of stator winding small fault detecting based on wavelet transform.
对电动机的继电保护中存在电动机微变故障保护失效的问题,提出了基于小波分析的定子绕组微变故障检测方法。
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